Kourtney Kardashian in her home office, which is furnished with a vintage Jules Leleu desk and Pierre Jeanneret chairs; the arrangement of art includes Harry Benson's photograph of Mia Farrow and Frank Sinatra at Truman Capote’s Black and White Ball; a vibrant work on paper by Bridget Riley; and Batman, a gelatin silver print by Herb Ritts.

Kourtney’s pool terrace has Christian Liaigre chaise longues cushioned in a Perennials fabric; the landscape design here and at Khloé’s house is by James Hyatt Studio.

In Kourtney’s living room, Christian Liaigre sofas dressed in a Schumacher wool and a Larsen leather are joined by a Steinway piano, a vintage Oscar Niemeyer chair and ottoman from Wyeth, and several custom-designed pieces, among them the ceiling lights, sconce, and consoles. The curtains are of a Loro Piana wool-linen, and the triptych is by Richard Serra.

A tub with Kallista fittings stands in Kourtney’s master bath; the ceiling light is from Downtown, the sinks are by Kohler with fittings by Kallista, and the vanities’ limestone counters are by Ann Sacks.

Reign’s room features ikat curtains and a shag carpet.

James Turrell artworks are displayed above Kourtney’s bed; the vintage Jean-Michel Frank lounge chairs are upholstered in an Edelman leather, the 1970s Belgian cocktail table is from Lucca Antiques, and the carpet is by the Rug Company.

The niche in Khloé’s bedroom is marked by a mix of exotic touches, among them a star-shaped lantern, a photograph by Chester Higgins Jr., and a side table inlaid with mother-of-pearl. A patterned satin blend by Dedar covers the bench cushion and a pair of pillows; the other pillows are in Manuel Canovas velvets.

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